%0 Journal Article %T La coop¨¦ration scientifique et technologique en Europe occidentale. Quatri¨¨me partie Scientific and Technological Cooperation in Western Europe. Part Four %A Bertrand A. R. V. %J Oil & Gas Science and Technology %D 2006 %I Institut Fran?ais du P¨¦trole %R 10.2516/ogst:1980058 %U http://dx.doi.org/10.2516/ogst:1980058